參數(shù)資料
型號(hào): 84C300A
廠(chǎng)商: LSI Corporation
英文描述: 4-Port Fast Ethernet Controller(四端口快速以太網(wǎng)控制器)
中文描述: 4端口快速以太網(wǎng)控制器(四端口快速以太網(wǎng)控制器)
文件頁(yè)數(shù): 37/56頁(yè)
文件大?。?/td> 523K
代理商: 84C300A
84C300A 4-Port
Fast Ethernet Controller
4-37
MD400152/E
Symbol Parameter
Maximum
Condition
C
IN
Input Capacitance
15 pF
V
IN
= 0 V
C
I/O
I/O Capacitance
15 pF
V
I/O
= 0 V
AC Test Conditions
Output Load: 1 Schottky TTL Gate + CL = 100 pF
except where specifically given otherwise in the condition
column.
Input Pulse Level:0.4 V to 2.4 V
Timing Reference Level:1.5 V
Capacitance
T
A
= 25
°
C, F
C
= 1 MHz
5.0 COMMAND/STATUS INTERFACE TIMING
Limits
Typ.
Units
(ns)
ns
Symbol
[1]
TDBD
Parameter
Receive/Transmit
Command Status, and
Management Counters
Delay
All Other Registers
CDST [7:0]
Bus Release Delay
CDST [7:0]
Bus Siezure Delay
A[3:0] Hold
CDST Bus Hold
REGPS[1:0] Hold
ENREGIO Hold
A[3:0] Setup
CDST Bus Setup
REGPS[1:0] Setup
ENREGIO Setup
Min.
Max.
Condition
0.5 RXC/TXC
Cycles + 10 ns
1.5 RXC/TXC
Cycles + 50 ns
10
1.5
50
5.5
ns
ns
TDBR
TDBS
6
32
ns
THA
THCS
THPS
THEN
TSA
TSCS
TSPS
TSEN
10
0
10
10
15
10
15
15
ns
ns
ns
ns
ns
ns
ns
ns
TRWH
RD
/
High Width
1 TXC/RXC
Cycle
1.5 TXC/RXC
Cycles + 70 ns
30
30
ns
TRWL
RD
/
Low Width
ns
TWWH
TWWL
WR High Width
WR Low Width
ns
ns
AC Characteristics
T
A
= 0
°
C to 70
°
C, V
CC
= 5 V
±
5%
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